Office (OLE) / .DOCX malware analysis — malicious · 4de9fec585fa6040

MALICIOUS

Office (OLE) / .DOCX

182.0 KB Created: 2020-10-22 12:14:00 Authoring application: Microsoft Office Word

MD5: 5e9ed1e88e8fe4a7b4f79815eea9a629 SHA-1: a059864dafece4d83d2cfa3b01b46185dd661893 SHA-256: 4de9fec585fa6040afe3d65e7285cc67c82cac4e61a964432d11ba94343301dd

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for initiating malicious actions upon document opening. The ClamAV detection 'Doc.Downloader.Logan-9781905-0' strongly suggests this is a downloader. The obfuscated document body content does not provide further insight into the lure, but the presence of macros and the downloader signature indicate the primary intent is to fetch and execute a secondary payload.

Heuristics 7

ClamAV: Doc.Downloader.Logan-9781905-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Logan-9781905-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC

Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `312ef617e63493e61b3bcd46b3231fa9b7aec5a75b005f32edf123ee68ffccb7`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18806 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved macro source contains an auto-exec entry point and execution/download terms.

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